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17-02-2009, 10:55 PM
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#1
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Registered User
Country: Guernsey
Occupation: Engineering
Boat make: None, boo!
Engines: Turbines mainly!
Cruising area: The inside of my workshop!
Join Date: Mar 2008
Posts: 2,646
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Antifoul alternatives, fact or fiction!
I just spent my entire f'ing evening looking into ultrasound antifouling for my cat just to find out.... It doesn't work on wooden boats!
I can antifoul the boat but i've gotta find a way of keeping the engines clean! Back to the drawing board. Anyone got any ideas/experiences?
James
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17-02-2009, 11:22 PM
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#2
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Engine tester
Country: united kingdom
Location: Southend on Sea
Occupation: Construction
Interests: Gin & Women
Boat name: motorvator
Boat make: Revenger San Marino / Sunseeker Camargue 46 / Phantom 18/19/600
Engines: 502 mercruiser / Detroit 550s / 115 ProXS / Anything Borrowed
Cruising area: Thames, Southend
Join Date: Nov 2006
Location: Southend on Sea
Posts: 1,021
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I guess you could try this gear, no experience.
http://www.prop-shield.com/
But won't you be able to just trim them clear of the water?
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"Lend us a motor Chaos"
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17-02-2009, 11:36 PM
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#3
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Registered User
Country: uk
Location: southampton'ish
Occupation: builder
Boat make: Mariah
Engines: volvo 4.3
Cruising area: hatchet pond
Join Date: Jan 2009
Location: southampton'ish
Posts: 497
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bag'um up
dont look pretty but keeps them clean.
spray the leg with WD40 or such like,
then heavy duty black bags over the gearboxes,
keeping the top of the bag above the water line!
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17-02-2009, 11:55 PM
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#4
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Registered User
Country: UK
Location: Pevensey Bay
Occupation: Teacher
Interests: photography
Cruising area: Pevensey Bay / Solent
Join Date: Jun 2006
Location: Pevensey Bay
Posts: 261
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Quote:
Originally Posted by motorvator
I guess you could try this gear, no experience.
http://www.prop-shield.com/
But won't you be able to just trim them clear of the water?
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i noticed that was tested in one of the magazines this month, doesn't make any differents apparently
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18-02-2009, 12:37 AM
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#5
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Engine tester
Country: united kingdom
Location: Southend on Sea
Occupation: Construction
Interests: Gin & Women
Boat name: motorvator
Boat make: Revenger San Marino / Sunseeker Camargue 46 / Phantom 18/19/600
Engines: 502 mercruiser / Detroit 550s / 115 ProXS / Anything Borrowed
Cruising area: Thames, Southend
Join Date: Nov 2006
Location: Southend on Sea
Posts: 1,021
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In which case I think you're down to trilux, prop o drev, or mille drive. Just make sure it's an aluminium compatible antifoul or you'll destroy the lot in no time.
Volvo used to do a clear antifoul coating years ago, can't find it now so I guess it was killing the fishys.
Think you need to be thinking about active anode systems too or at least shed of scrap zinc over the side electrically attached to engines. Just make sure you get it at the right height.
__________________
"Lend us a motor Chaos"
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18-02-2009, 10:18 AM
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#6
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Registered User
Country: Guernsey
Occupation: Engineering
Boat make: None, boo!
Engines: Turbines mainly!
Cruising area: The inside of my workshop!
Join Date: Mar 2008
Posts: 2,646
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I definately won't be able to trim them the whole way out, and i'm worried about the saddle, trim pumps and lifters too.
I've thought about the idea of bagging the legs, seems like a plan to me, it'll protect the props well, but i've still got the issue of the saddle etc. And yeah, I'd thought about the anode situation, need to sort something there!
Cheers, James
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18-02-2009, 11:09 AM
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#7
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Registered User
Country: UK
Location: Windermere
Join Date: Oct 2005
Location: Windermere
Posts: 559
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Based on personal experience I can recommend propspeed, I've used it on a couple of things from 18ft up to 48 meters it looks a bit odd but if properly applied it is very effective.
http://www.propspeed.co.uk/
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18-02-2009, 12:32 PM
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#8
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wiggy808
Country: Southampton
Location: Southampton
Occupation: Marine Engineer
Interests: wakeboarding, power boats, 900hp Audi
Boat name: Marshan19
Boat make: Marshan 19, Mirage 22
Engines: Mariner 200, 2.2 5cyl Audi
Cruising area: Solent
Join Date: Nov 2007
Location: Southampton
Posts: 133
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We've used prop-shield on our 40ft tender last season. Yanmars on Bravos. We were based in Palma and it performed really well, different products work differently in different waters.
It could be a case of prop-shield and the bags mentioned and also making sure your anodes are tip top.
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18-02-2009, 12:45 PM
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#9
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Registered User
Join Date: Mar 2004
Posts: 6,891
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I gotta be honest, I'd just tow the boat illegally now and again.
I absolutely would not leave the boat in the water.
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18-02-2009, 01:56 PM
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#10
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Engine tester
Country: united kingdom
Location: Southend on Sea
Occupation: Construction
Interests: Gin & Women
Boat name: motorvator
Boat make: Revenger San Marino / Sunseeker Camargue 46 / Phantom 18/19/600
Engines: 502 mercruiser / Detroit 550s / 115 ProXS / Anything Borrowed
Cruising area: Thames, Southend
Join Date: Nov 2006
Location: Southend on Sea
Posts: 1,021
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Someone had to say what we're all thinking
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"Lend us a motor Chaos"
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18-02-2009, 01:57 PM
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#11
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Registered User
Country: Guernsey
Occupation: Engineering
Boat make: None, boo!
Engines: Turbines mainly!
Cruising area: The inside of my workshop!
Join Date: Mar 2008
Posts: 2,646
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Quote:
Originally Posted by Techteam
Based on personal experience I can recommend propspeed, I've used it on a couple of things from 18ft up to 48 meters it looks a bit odd but if properly applied it is very effective.
http://www.propspeed.co.uk/
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Sounds like an interesting product, most importantly you've used it and say it works well...
Quote:
Originally Posted by Matt
I gotta be honest, I'd just tow the boat illegally now and again.
I absolutely would not leave the boat in the water.
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It's easier said than done though. Storage out of the water is an issue for starters, and the marina and surrounding area is heavily covered by CCTV.
Guernsey is a very small island and there's police around all the time, I would only manage it once or twice before i'm caught. They operate a zero tolerace system over here and the penalty for incorrect load is 6 months off the road and unlimited fine. Not to mention i'm a registered marine trader so it wouldn't look very good for me to get caught towing illegally! It's just not an option!
You can get away with that kind of stuff in the uk, no problem. That's just not the case over here, and there's no slips i can use other than the ones in the two marinas.
James
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18-02-2009, 02:20 PM
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#12
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Registered User
Country: ENGLAND
Location: SUNNY POOLE
Interests: DIESELS
Boat make: TECKNO 40 (ONE DAY)
Engines: SEATEK 960s
Join Date: Nov 2006
Location: SUNNY POOLE
Posts: 86
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prop shield
We use it on loads of stuff in poole harbour and as long as its applied as per the instructions have found it to be very good
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18-02-2009, 05:23 PM
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#13
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Registered User
Country: uk
Location: southampton'ish
Occupation: builder
Boat make: Mariah
Engines: volvo 4.3
Cruising area: hatchet pond
Join Date: Jan 2009
Location: southampton'ish
Posts: 497
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thinking outside of the box a bit here but can you get your hands on an old set of tubes from someone who has had there rib retubed?
then inflate them in your tunnel.
wont get your cat out of the water but might be enuf to get the motors out.
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18-02-2009, 05:32 PM
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#14
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Registered User
Join Date: Mar 2004
Posts: 6,891
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motors on lifters, and tilt
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18-02-2009, 06:11 PM
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#15
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Registered User
Country: Guernsey
Occupation: Engineering
Boat make: None, boo!
Engines: Turbines mainly!
Cruising area: The inside of my workshop!
Join Date: Mar 2008
Posts: 2,646
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Quote:
Originally Posted by Andy B
thinking outside of the box a bit here but can you get your hands on an old set of tubes from someone who has had there rib retubed?
then inflate them in your tunnel.
wont get your cat out of the water but might be enuf to get the motors out.
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Thought of that, designed a lift to keep the whole boat out, or looked into ways of keeping the back out. The marina won't allow it in any way at all as they say it stresses our (already falling apart) pontoons. Ideal solution otherwise!
Quote:
Originally Posted by Matt
motors on lifters, and tilt
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Motors are going on lifters, but due to the design of the back, I'd have to lift them about 15" to tilt them back enough. Actually, saying that, i could redesign the back totally... Oh lord, more work. Wonder if that'd be worth it... But i could protect the leg part just as well with a bag, it's the trim bits that are the issue. Hmmmmm.
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18-02-2009, 06:44 PM
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#16
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Registered User
Country: UK
Location: Weston Super Mare
Occupation: Electrical Engineer
Join Date: Mar 2004
Location: Weston Super Mare
Posts: 6,351
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this might be a silly question but what does the bag achieve? surely the bag would also be full of water?? how do you put the leg in it if you cant tilt your engines??
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18-02-2009, 07:02 PM
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#17
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Registered User
Location: hayling island
Boat name: snow monkey
Boat make: extreme 24
Engines: mercruiser 6.2
Join Date: May 2004
Location: hayling island
Posts: 2,082
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it keeps the legs in the dark,so the weed cant grow so much/quick,i was tempted to try it once,with hesian sacks
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18-02-2009, 10:01 PM
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#18
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Registered User
Country: uk
Location: southampton'ish
Occupation: builder
Boat make: Mariah
Engines: volvo 4.3
Cruising area: hatchet pond
Join Date: Jan 2009
Location: southampton'ish
Posts: 497
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Quote:
Originally Posted by Burty
this might be a silly question but what does the bag achieve? surely the bag would also be full of water?? how do you put the leg in it if you cant tilt your engines??
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thats when you need one of these,
once you've got the bag around the gearbox and mid you pump it out, spray with WD40 then seal the top! it works for when you have to leave the motor lowers partly submerged for long periods
altenativley get some large friends to sit on the pointy end (ends) while you do the bagging up!
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18-02-2009, 10:11 PM
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#19
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Registered User
Country: uk
Location: southampton'ish
Occupation: builder
Boat make: Mariah
Engines: volvo 4.3
Cruising area: hatchet pond
Join Date: Jan 2009
Location: southampton'ish
Posts: 497
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i used to dream about owning a big boat,
not any more!
i think i'l stay in the under 18's
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18-02-2009, 10:24 PM
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#20
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Registered User
Country: Guernsey
Occupation: Engineering
Boat make: None, boo!
Engines: Turbines mainly!
Cruising area: The inside of my workshop!
Join Date: Mar 2008
Posts: 2,646
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yeah, believe me, i wish i'd stuck with a P20 or something!!
The idea with the bag is that i will submerge it and pull up over the (partially tilted) leg, attach it at the top and then pour a bit of bleach in! That combined with the darkness should stop any growth, I'll just increase the bleach level till it does. I've heard of the americans doing this with entire boats!
James
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